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Hello, Originally Posted by Craka Something went wrong in your factorisation This gives or .
Last edited by Moo; August 22nd 2008 at 08:45 AM.
Hello, Craka! There are three forms for . . The last two can be derived from the first, but I've found it expedient to memorize all three. Find all solutions on We have: . . . . . . . . . Therefore: .
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